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Finding the Fourth Proportional to 62,216.30, 93,324.45 and 20,663.30

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Solution

The fourth proportional to 62,216.30, 93,324.45 and 20,663.30 is: 30,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,216.30 : 93,324.45 = 20,663.30 : x
  2. Step 2: Convert to fraction form
    62,216.30/93,324.45 = 20,663.30/x
  3. Step 3: Cross multiply
    62,216.30x = 93,324.45 × 20,663.30
  4. Step 4: Simplify right side
    62,216.30x = 1,928,391,107.69
  5. Step 5: Solve for x
    x = 1,928,391,107.69/62,216.30
  6. Step 6: Final answer
    x = 30,994.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.